Plant Growing Guides

Free guides for growing vegetables, herbs, flowers, and more. 447 plants. New to gardening? Check out the glossary.

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Oakleaf Hydrangea

Oakleaf Hydrangea

Hydrangea quercifolia

Oakleaf Hydrangea 'Alice'

Oakleaf Hydrangea 'Alice'

Hydrangea quercifolia 'Alice'

Oakleaf Hydrangea Snowflake

Oakleaf Hydrangea Snowflake

Hydrangea quercifolia 'Snowflake'

Oak

Oak

Quercus spp.

Oasis Melon

Oasis Melon

Cucumis melo var. reticulatus

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Oat Grass

Avena sativa

Oaxacana Pepper

Oaxacana Pepper

Capsicum annuum var. Oaxacana

Oaxacan Blue

Oaxacan Blue

Salvia hispanica var. oaxacana

Oaxacan Jewel Tomato

Oaxacan Jewel Tomato

Solanum lycopersicum 'Oaxacan Jewel'

Oberon

Oberon

Solanum lycopersicum 'Oberon'

Oblonga Olive

Oblonga Olive

Olea europaea 'Oblonga'

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Oborozuki

Solanum lycopersicum 'Oborozuki'

Obsidian Tomato

Obsidian Tomato

Solanum lycopersicum 'Obsidian'

Ochlockonee Blueberry

Ochlockonee Blueberry

Vaccinium ashei

Ochracea

Ochracea

Abelmoschus esculentus var. ochracea

Ocotillo

Ocotillo

Fouquieria splendens

October Bean

October Bean

Phaseolus vulgaris

Oculatus Basil

Oculatus Basil

Ocimum basilicum 'Oculatus'

Ocumare

Ocumare

Capsicum chinense

Oddity Tomato

Oddity Tomato

Solanum lycopersicum 'Oddity'

Odorata Nana Water Lily

Odorata Nana Water Lily

Nymphaea odorata var. minor

Odorata Pink Water Lily

Odorata Pink Water Lily

Nymphaea odorata var. rosea

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Odorata Pygmaea Water Lily

Nymphaea odorata var. pygmaea

Odorata Red Water Lily

Odorata Red Water Lily

Nymphaea odorata var. rubra

Odorata Sulphurea Water Lily

Odorata Sulphurea Water Lily

Nymphaea odorata sulphurea

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Oenothera deltoides

Oenothera deltoides

Oeschberg Tomato

Oeschberg Tomato

Solanum lycopersicum 'Oeschberg'

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Common Basil

Ocimum basilicum

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O'Henry Peach

Prunus persica 'O'Henry'

Ohio Scarlet

Ohio Scarlet

Lycopersicon esculentum 'Ohio Scarlet'

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Ojo de Pollo

Vigna unguiculata subsp. unguiculata

Okame Cherry

Okame Cherry

Prunus × incamp 'Okame'

Okinawan Sweet Potato

Okinawan Sweet Potato

Ipomoea batatas

Beauregard Sweet Potato

Beauregard Sweet Potato

Ipomoea batatas 'Beauregard'

Okinawa Pink

Okinawa Pink

Ipomoea batatas 'Okinawa Pink'

Okitsu Mandarin

Okitsu Mandarin

Citrus unshiu

Oklahoma

Oklahoma

Physalis pubescens

Oklahoma Blaze

Oklahoma Blaze

Rosa 'Oklahoma Blaze'

Oklahoma Pink

Oklahoma Pink

Dianthus chinensis × barbatus

Oklahoma Purple

Oklahoma Purple

Capsicum annuum

Oklahoma Red Onion

Oklahoma Red Onion

Allium cepa 'Oklahoma Red'

Oklahoma Rose

Oklahoma Rose

Rosa 'Oklahoma'

Oklahoma Scarlet

Oklahoma Scarlet

Rosa oklahoma

Oklahoma White

Oklahoma White

Capsicum annuum

Okra

Okra

Abelmoschus esculentus

Okra Annie Oakley II

Okra Annie Oakley II

Abelmoschus esculentus 'Annie Oakley II'

Okra Burgundy

Okra Burgundy

Abelmoschus esculentus 'Burgundy'

Okra Clemson Spineless

Okra Clemson Spineless

Abelmoschus esculentus

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